Piston Kit - 99.95 Mm - Ktm 23417B

Prox Piston Kit - 99.95 Mm - Beta 498Rr/520Rr 01.7512.A Beta -- 520 RR 4T -- (2010, 2011); Beta -- 498 RR 4T -- (2012, 2013, 2014)

Top End Piston Kit - 99.95 Mm - Yamaha Vtktc23104-1 Yamaha -- YFM 660 F Grizzly 4x4 -- (2002, 2003, 2004); Yamaha -- YXR 660F Rhino 4x4 -- (2007, 2004, 2006, 2005)

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast...